./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 07:20:41,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 07:20:41,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 07:20:41,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 07:20:41,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 07:20:41,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 07:20:41,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 07:20:41,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 07:20:41,828 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 07:20:41,829 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 07:20:41,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 07:20:41,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 07:20:41,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 07:20:41,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 07:20:41,833 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 07:20:41,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 07:20:41,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 07:20:41,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 07:20:41,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 07:20:41,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 07:20:41,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 07:20:41,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 07:20:41,837 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 07:20:41,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 07:20:41,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 07:20:41,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 07:20:41,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 07:20:41,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 07:20:41,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 07:20:41,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:20:41,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 07:20:41,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 07:20:41,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 07:20:41,839 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 07:20:41,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 07:20:41,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 07:20:41,839 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 07:20:41,839 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 07:20:41,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 07:20:41,840 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 [2024-10-13 07:20:42,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 07:20:42,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 07:20:42,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 07:20:42,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 07:20:42,077 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 07:20:42,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2024-10-13 07:20:43,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 07:20:43,893 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 07:20:43,894 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2024-10-13 07:20:43,950 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71f164d5/e0059bdbf23244b9ab0e20aac2da1b98/FLAGb91873e51 [2024-10-13 07:20:44,163 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71f164d5/e0059bdbf23244b9ab0e20aac2da1b98 [2024-10-13 07:20:44,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 07:20:44,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 07:20:44,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 07:20:44,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 07:20:44,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 07:20:44,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:44" (1/1) ... [2024-10-13 07:20:44,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249d7c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:44, skipping insertion in model container [2024-10-13 07:20:44,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:44" (1/1) ... [2024-10-13 07:20:44,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 07:20:44,625 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2024-10-13 07:20:44,631 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2024-10-13 07:20:45,207 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,207 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,208 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,208 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,209 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,224 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,225 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,226 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,228 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,229 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,230 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,231 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,232 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,533 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,538 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:20:45,591 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 07:20:45,602 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2024-10-13 07:20:45,602 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2024-10-13 07:20:45,635 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,636 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,636 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,636 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,637 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,641 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,641 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,642 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,642 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,643 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,643 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,644 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,644 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,699 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,703 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:20:45,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7747-7758] [2024-10-13 07:20:45,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:20:45,927 INFO L204 MainTranslator]: Completed translation [2024-10-13 07:20:45,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45 WrapperNode [2024-10-13 07:20:45,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 07:20:45,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 07:20:45,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 07:20:45,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 07:20:45,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (1/1) ... [2024-10-13 07:20:46,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (1/1) ... [2024-10-13 07:20:46,168 INFO L138 Inliner]: procedures = 679, calls = 1671, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 590 [2024-10-13 07:20:46,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 07:20:46,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 07:20:46,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 07:20:46,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 07:20:46,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (1/1) ... [2024-10-13 07:20:46,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (1/1) ... [2024-10-13 07:20:46,193 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (1/1) ... [2024-10-13 07:20:46,251 INFO L175 MemorySlicer]: Split 301 memory accesses to 6 slices as follows [2, 7, 236, 47, 3, 6]. 78 percent of accesses are in the largest equivalence class. The 254 initializations are split as follows [2, 5, 236, 10, 1, 0]. The 6 writes are split as follows [0, 0, 0, 3, 1, 2]. [2024-10-13 07:20:46,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (1/1) ... [2024-10-13 07:20:46,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (1/1) ... [2024-10-13 07:20:46,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (1/1) ... [2024-10-13 07:20:46,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (1/1) ... [2024-10-13 07:20:46,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (1/1) ... [2024-10-13 07:20:46,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (1/1) ... [2024-10-13 07:20:46,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 07:20:46,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 07:20:46,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 07:20:46,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 07:20:46,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (1/1) ... [2024-10-13 07:20:46,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:20:46,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:20:46,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 07:20:46,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 07:20:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 07:20:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-13 07:20:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-13 07:20:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-13 07:20:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-13 07:20:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-13 07:20:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-13 07:20:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 07:20:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 07:20:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 07:20:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 07:20:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 07:20:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 07:20:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-13 07:20:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-13 07:20:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 07:20:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 07:20:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 07:20:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 07:20:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 07:20:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 07:20:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 07:20:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 07:20:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 07:20:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-13 07:20:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 07:20:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 07:20:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-13 07:20:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-13 07:20:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-13 07:20:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-13 07:20:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-13 07:20:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-13 07:20:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-13 07:20:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-13 07:20:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 07:20:46,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 07:20:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 07:20:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 07:20:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 07:20:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 07:20:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 07:20:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 07:20:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-13 07:20:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 07:20:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 07:20:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 07:20:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 07:20:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 07:20:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-13 07:20:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-13 07:20:46,400 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-13 07:20:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-13 07:20:46,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-13 07:20:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 07:20:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 07:20:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 07:20:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 07:20:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 07:20:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 07:20:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-13 07:20:46,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-13 07:20:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 07:20:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 07:20:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 07:20:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 07:20:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 07:20:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 07:20:46,664 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 07:20:46,666 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 07:20:47,159 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-10-13 07:20:47,160 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 07:20:47,238 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 07:20:47,240 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 07:20:47,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:47 BoogieIcfgContainer [2024-10-13 07:20:47,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 07:20:47,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 07:20:47,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 07:20:47,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 07:20:47,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:20:44" (1/3) ... [2024-10-13 07:20:47,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@daa7036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:47, skipping insertion in model container [2024-10-13 07:20:47,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:45" (2/3) ... [2024-10-13 07:20:47,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@daa7036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:47, skipping insertion in model container [2024-10-13 07:20:47,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:47" (3/3) ... [2024-10-13 07:20:47,247 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_length_harness.i [2024-10-13 07:20:47,261 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 07:20:47,261 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 07:20:47,312 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 07:20:47,319 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7bbaee1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 07:20:47,320 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 07:20:47,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 64 states have (on average 1.25) internal successors, (80), 65 states have internal predecessors, (80), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-13 07:20:47,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-13 07:20:47,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:20:47,336 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:20:47,336 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:20:47,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:20:47,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1885822886, now seen corresponding path program 1 times [2024-10-13 07:20:47,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:20:47,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329597053] [2024-10-13 07:20:47,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:47,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:20:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:47,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:47,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:20:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:47,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:20:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:47,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:20:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:47,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:20:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:47,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:20:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:47,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 07:20:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:47,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 07:20:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:47,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 07:20:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:47,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 07:20:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:47,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 07:20:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-13 07:20:47,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:20:47,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329597053] [2024-10-13 07:20:47,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329597053] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:20:47,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:20:47,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 07:20:47,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639643378] [2024-10-13 07:20:47,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:20:47,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 07:20:47,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:20:47,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 07:20:47,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 07:20:47,972 INFO L87 Difference]: Start difference. First operand has 109 states, 64 states have (on average 1.25) internal successors, (80), 65 states have internal predecessors, (80), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 07:20:48,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:20:48,570 INFO L93 Difference]: Finished difference Result 223 states and 312 transitions. [2024-10-13 07:20:48,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 07:20:48,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 68 [2024-10-13 07:20:48,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:20:48,579 INFO L225 Difference]: With dead ends: 223 [2024-10-13 07:20:48,579 INFO L226 Difference]: Without dead ends: 113 [2024-10-13 07:20:48,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 07:20:48,585 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 69 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 07:20:48,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 116 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 07:20:48,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-13 07:20:48,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 103. [2024-10-13 07:20:48,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 60 states have (on average 1.1833333333333333) internal successors, (71), 61 states have internal predecessors, (71), 30 states have call successors, (30), 13 states have call predecessors, (30), 12 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-13 07:20:48,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 129 transitions. [2024-10-13 07:20:48,629 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 129 transitions. Word has length 68 [2024-10-13 07:20:48,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:20:48,630 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 129 transitions. [2024-10-13 07:20:48,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 07:20:48,630 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2024-10-13 07:20:48,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-13 07:20:48,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:20:48,638 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:20:48,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 07:20:48,639 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:20:48,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:20:48,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1233035624, now seen corresponding path program 1 times [2024-10-13 07:20:48,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:20:48,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983702226] [2024-10-13 07:20:48,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:48,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:20:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:48,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:48,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:20:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:49,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:20:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:49,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:20:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:49,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:20:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:49,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:20:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:49,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 07:20:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:49,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 07:20:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:49,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 07:20:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:49,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 07:20:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:49,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 07:20:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:49,155 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-13 07:20:49,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:20:49,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983702226] [2024-10-13 07:20:49,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983702226] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:20:49,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484030089] [2024-10-13 07:20:49,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:49,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:20:49,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:20:49,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 07:20:49,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 07:20:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:49,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 2034 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 07:20:49,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:20:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-13 07:20:49,586 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:20:49,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484030089] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:20:49,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:20:49,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-10-13 07:20:49,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013318988] [2024-10-13 07:20:49,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:20:49,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 07:20:49,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:20:49,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 07:20:49,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-13 07:20:49,589 INFO L87 Difference]: Start difference. First operand 103 states and 129 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-13 07:20:49,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:20:49,805 INFO L93 Difference]: Finished difference Result 176 states and 223 transitions. [2024-10-13 07:20:49,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 07:20:49,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 68 [2024-10-13 07:20:49,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:20:49,807 INFO L225 Difference]: With dead ends: 176 [2024-10-13 07:20:49,807 INFO L226 Difference]: Without dead ends: 105 [2024-10-13 07:20:49,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-13 07:20:49,809 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 24 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 07:20:49,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 389 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 07:20:49,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-13 07:20:49,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-10-13 07:20:49,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 61 states have (on average 1.180327868852459) internal successors, (72), 63 states have internal predecessors, (72), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 28 states have call predecessors, (30), 28 states have call successors, (30) [2024-10-13 07:20:49,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 132 transitions. [2024-10-13 07:20:49,821 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 132 transitions. Word has length 68 [2024-10-13 07:20:49,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:20:49,822 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 132 transitions. [2024-10-13 07:20:49,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-13 07:20:49,822 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2024-10-13 07:20:49,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-13 07:20:49,824 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:20:49,824 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:20:49,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 07:20:50,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:20:50,029 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:20:50,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:20:50,030 INFO L85 PathProgramCache]: Analyzing trace with hash 759306355, now seen corresponding path program 1 times [2024-10-13 07:20:50,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:20:50,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928394041] [2024-10-13 07:20:50,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:50,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:20:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:20:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:20:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:20:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:20:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:20:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:20:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 07:20:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 07:20:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 07:20:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 07:20:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 07:20:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-13 07:20:50,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:20:50,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928394041] [2024-10-13 07:20:50,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928394041] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:20:50,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004360508] [2024-10-13 07:20:50,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:50,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:20:50,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:20:50,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 07:20:50,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 07:20:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:51,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 2169 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 07:20:51,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:20:51,426 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-13 07:20:51,426 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:20:51,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004360508] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:20:51,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:20:51,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2024-10-13 07:20:51,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868935609] [2024-10-13 07:20:51,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:20:51,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 07:20:51,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:20:51,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 07:20:51,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-10-13 07:20:51,428 INFO L87 Difference]: Start difference. First operand 105 states and 132 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-13 07:20:51,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:20:51,737 INFO L93 Difference]: Finished difference Result 166 states and 205 transitions. [2024-10-13 07:20:51,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 07:20:51,737 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 81 [2024-10-13 07:20:51,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:20:51,739 INFO L225 Difference]: With dead ends: 166 [2024-10-13 07:20:51,739 INFO L226 Difference]: Without dead ends: 103 [2024-10-13 07:20:51,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-10-13 07:20:51,740 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 30 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 07:20:51,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 579 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 07:20:51,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-10-13 07:20:51,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-10-13 07:20:51,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 61 states have internal predecessors, (70), 30 states have call successors, (30), 13 states have call predecessors, (30), 12 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-13 07:20:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 128 transitions. [2024-10-13 07:20:51,750 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 128 transitions. Word has length 81 [2024-10-13 07:20:51,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:20:51,751 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 128 transitions. [2024-10-13 07:20:51,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-13 07:20:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 128 transitions. [2024-10-13 07:20:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-13 07:20:51,753 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:20:51,753 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:20:51,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 07:20:51,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-13 07:20:51,957 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:20:51,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:20:51,958 INFO L85 PathProgramCache]: Analyzing trace with hash -607058043, now seen corresponding path program 1 times [2024-10-13 07:20:51,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:20:51,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715323111] [2024-10-13 07:20:51,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:51,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:20:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 07:20:52,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831056180] [2024-10-13 07:20:52,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:52,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:20:52,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:20:52,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 07:20:52,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 07:20:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:59,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 2439 conjuncts, 239 conjuncts are in the unsatisfiable core [2024-10-13 07:20:59,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:20:59,621 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 07:20:59,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-10-13 07:21:19,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-10-13 07:21:28,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 55 [2024-10-13 07:21:42,727 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-13 07:22:18,278 WARN L286 SmtUtils]: Spent 12.04s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)